US9423630B2 - Optical image stabilizer with improved magnetic sensitivity - Google Patents

Optical image stabilizer with improved magnetic sensitivity Download PDF

Info

Publication number
US9423630B2
US9423630B2 US14/305,666 US201414305666A US9423630B2 US 9423630 B2 US9423630 B2 US 9423630B2 US 201414305666 A US201414305666 A US 201414305666A US 9423630 B2 US9423630 B2 US 9423630B2
Authority
US
United States
Prior art keywords
ois
driving device
lens driving
magnetic
coils
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active, expires
Application number
US14/305,666
Other languages
English (en)
Other versions
US20140368915A1 (en
Inventor
Chao-Chang Hu
Fu-Yuan Wu
Shih-Ting Huang
Jyun-Jie Lin
Yi-Ho Chen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
TDK Taiwan Corp
Original Assignee
TDK Taiwan Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by TDK Taiwan Corp filed Critical TDK Taiwan Corp
Priority to US14/305,666 priority Critical patent/US9423630B2/en
Assigned to TDK TAIWAN CORP. reassignment TDK TAIWAN CORP. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: HU, CHAO-CHANG, CHEN, YI-HO, HUANG, SHIH-TING, LIN, JYUN-JIE, WU, FU-YUAN
Publication of US20140368915A1 publication Critical patent/US20140368915A1/en
Priority to US15/176,737 priority patent/US9575331B2/en
Application granted granted Critical
Publication of US9423630B2 publication Critical patent/US9423630B2/en
Active legal-status Critical Current
Adjusted expiration legal-status Critical

Links

Images

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/64—Imaging systems using optical elements for stabilisation of the lateral and angular position of the image
    • G02B27/646—Imaging systems using optical elements for stabilisation of the lateral and angular position of the image compensating for small deviations, e.g. due to vibration or shake
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
    • G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
    • G02B7/08—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification adapted to co-operate with a remote control mechanism
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
    • G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
    • G02B7/09—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification adapted for automatic focusing or varying magnification
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B2205/00—Adjustment of optical system relative to image or object surface other than for focusing
    • G03B2205/0007—Movement of one or more optical elements for control of motion blur
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60—Control of cameras or camera modules
    • H04N23/68—Control of cameras or camera modules for stable pick-up of the scene, e.g. compensating for camera body vibrations
    • H04N23/682—Vibration or motion blur correction
    • H04N5/23264—

Definitions

  • the present invention relates to a VCA-based lens driving device, and more particularly, to a VCA-based lens driving device that enables the auto-focusing (AF) and the optical image stabilization (OIS).
  • AF auto-focusing
  • OIS optical image stabilization
  • the optical image stabilization (OIS) with a common magnet scheme has been developed as a solution of anti-shaking for a conventional lens driving device.
  • Driving two sets of coils, e.g. the auto-focusing (AF) coil and the OIS coils, with a common magnet set to adjust the lens assembly makes the lens driving device compact, and is thus getting widely applicable for enhancing the image quality. Nevertheless, it is found that such a conventional scheme may have some disadvantages.
  • the OIS coils formed with the coil plate are typically different in length and/or are asymmetric.
  • Such difference or asymmetry leads to a yawing effect, which makes the lens assembly and the magnet rotate unintentionally.
  • the rotating of the lens assembly and the magnet will make the displacement sensor fail to detect the displacement correctly, such that the lens driving device cannot enable the auto-focusing and mage stabilization.
  • the magnetic sensitivity of the OIS coil structure needs to be further improved.
  • An object of the present invention provides a VCA-based lens driving device with an improved optical image stabilization (OIS) coil structure and improved magnetic sensibility for image stabilization.
  • OIS optical image stabilization
  • the auto-focusing (AF) function and the OIS function can be realized by either a common magnet scheme or a separate magnet scheme. It is also an object of the present invention to provide an improved structure for the lens driving device to enhance the function of OIS thereof.
  • the present invention provides a lens driving device including a lens assembly having an optical axis, an auto-focusing (AF) coil disposed around an outer surrounding of the lens assembly with respect to the optical axis, a set of optical image stabilization (OIS) coils disposed on a plane having a normal direction perpendicular to the optical axis, a plurality of magnets arranged above the set of OIS coils in such a way that each of the magnets has a first surface facing the AF coil and a second surface facing the OIS coils, and a magnetic enhancement device disposed under the set of OIS coils.
  • AF auto-focusing
  • OIS optical image stabilization
  • the magnetic enhancement device includes plural magnetic pieces, each of which being disposed under a respective OIS coil of the set of OIS coils.
  • the plural magnetic pieces can be formed with a bottom frame of the lens driving device, or can be embedded in a bottom frame of the lens driving device.
  • the magnetic enhancement device is formed by distributing a plurality of magnetic particles within a bottom frame of the lens driving device.
  • the lens driving device further including at least one magnetic induction element for sensing a magnet signal induced by a displacement of the magnets, and each of the plural magnetic pieces of the magnetic enhancement device is disposed under a respective OIS coil of the set of OIS coils or the at least one magnetic induction element.
  • the present invention provides a lens driving device, including a lens assembly having an optical axis, an auto-focusing (AF) coil disposed around an outer surrounding of the lens assembly with respect to the optical axis, a set of optical image stabilization (OIS) coils disposed on a plane having a normal direction perpendicular to the optical axis, a magnet group including a set of first magnets and a set of second magnets, and a magnetic enhancement device disposed under the set of OIS coils.
  • AF auto-focusing
  • OIS optical image stabilization
  • the first magnets are arranged above the set of OIS coils correspondingly in such a way that each thereof has a surface facing to the AF coil, while the second magnets are arranged above the set of OIS coils correspondingly in such a way that each of the second magnets has a surface facing to the OIS coils.
  • the magnetic enhancement device includes plural magnetic pieces, each of which being disposed under a respective OIS coil of the set of OIS coils.
  • the plural magnetic pieces can be formed with a bottom frame of the lens driving device, or can be embedded in a bottom frame of the lens driving device.
  • the magnetic enhancement device is formed by distributing a plurality of magnetic particles within a bottom frame of the lens driving device.
  • the lens driving device further including at least one magnetic induction element for sensing a magnet signal induced by a displacement of the magnets, and each of the plural magnetic pieces of the magnetic enhancement device is disposed under a respective OIS coil of the set of OIS coils or the at least one magnetic induction element.
  • FIG. 1 is a schematic perspective view of a lens driving device according to a first embodiment of the present invention
  • FIG. 2 is a schematic top exploded view of the lens driving device as shown in FIG. 1 ;
  • FIG. 3 is a schematic perspective view of a lens driving device according to a second embodiment of the present invention.
  • FIG. 4 is a schematic top exploded view of the lens driving device as shown in FIG. 3 ;
  • FIG. 5 is a schematic top exploded view for showing the magnetic field distribution in the structure as shown in FIG. 3 ;
  • FIG. 6 is a schematic perspective view of a lens driving device according to a third embodiment of the present invention.
  • FIG. 7 is a schematic top exploded view of the lens driving device as shown in FIG. 6 ;
  • FIG. 8 is a schematic perspective view showing an exemplary magnetic enhancement device used in the lens driving device of the present invention.
  • FIG. 9 is a schematic perspective view of a lens driving device according to a fourth embodiment of the present invention.
  • FIG. 10 is a schematic top exploded view of the lens driving device as shown in FIG. 9 .
  • the present invention provides a lens driving device that is based on a Voice Coil Actuator (VCA) structure and provides the auto-focusing and optical image stabilization (OIS) functions. According to the present invention, these two functions can be realized by a common magnet scheme, or a separate magnet scheme. Besides, the present invention also provides an improved structure for the lens driving device to enhance the effect of AF and OIS functions thereof.
  • VCA Voice Coil Actuator
  • OIS optical image stabilization
  • the lens driving device mainly includes a lens assembly 18 having an optical axis, an auto-focusing coil (AF coil) 3 , a set of OIS coils 91 x , 91 y , 92 x , 92 y , and a plurality of magnets 61 x , 61 y , 62 x , 62 y .
  • AF coil auto-focusing coil
  • the optical axis of the lens assembly 18 is defined as the Z-axis for illustration.
  • the AF coil 3 and the magnets 61 x , 61 y , 62 x , 62 y are disposed around an outer surrounding of the lens assembly 18 with respect to the optical axis.
  • the OIS coils 91 x , 91 y , 92 x , 92 y are disposed on a plane whose normal direction is perpendicular to the optical axis (e.g. the X-Y plane).
  • each of the magnets 61 x , 61 y , 62 x , 62 y has an inner N pole and an outer S pole.
  • the AF coil 3 and the set of OIS coils 91 x , 91 y , 92 x , 92 y share a common magnet set composed of the magnets 61 x , 61 y , 62 x , 62 y .
  • the magnets 61 x , 61 y , 62 x , 62 y and the OIS coils 91 x , 91 y , 92 x , 92 y below the magnets are disposed in such a way that each of the magnets 61 x , 61 y , 62 x , 62 y has a first surface facing the AF coil 3 , and a second surface facing a respective one of the OIS coils 91 x , 91 y , 92 x , 92 y .
  • an electromagnetic driving force will be induced inside the AF coil 3 by the current passing through the AF coil 3 and the magnetic field generated by the magnet set of magnets 61 x , 61 y , 62 x , 62 y , thereby the lens assembly 18 is driven to perform the auto-focusing function.
  • the current passing through the OIS coils 91 x , 91 y , 92 x , 92 y and the magnetic field generated by the magnet set of magnets 61 x , 61 y , 62 x , 62 y will act to induce a further electromagnetic driving force inside the set of OIS coils, such that the lens assembly 18 may be tuned to perform the OIS function (i.e.
  • the electromagnetic driving force induced by the AF coil 3 and the magnets 61 x , 61 y , 62 x , 62 y enables the lens assembly 18 to move along the optical axis against the change in magnet flux of the magnets 61 x , 61 y , 62 x , 62 y , such that the auto-focusing function is realized.
  • the OIS coil 92 x interacts with the magnet 62 x in a direction the same as the direction in which the OIS coil 91 x interacts with the magnet 61 x .
  • the OIS coil 92 y interacts with the magnet 62 y in a direction the same as the direction in which the OIS coil 91 y interacts with the magnet 61 y .
  • the lens assembly 18 , the AF coil 3 and the magnets 61 x , 61 y , 62 x , 62 y can move along the directions (i.e. the X-axis direction and/or the Y-axis direction) perpendicular to the optical axis with respect to the OIS coils 91 x , 91 y , 92 x , 92 y to realize the optical image stabilization (i.e. the so-called anti-shaking function).
  • FIGS. 3 to 5 schematically illustrate a lens driving device according to a second embodiment of the present invention, wherein FIG. 3 is a schematic perspective view of the lens driving device, and FIGS. 4 and 5 are schematic top exploded views showing the components and the distribution of magnet field of the lens driving device respectively.
  • the AF function and the OIS function of the lens driving lens are realized by a separate magnet scheme.
  • the lens driving device mainly includes a lens assembly 18 having an optical axis, an auto-focusing coil (AF coil) 3 , a set of OIS coils 91 x , 91 y , 92 x , 92 y , and a magnet group.
  • the magnet group includes a plurality of AF magnets 63 x , 63 y , 64 x , 64 y and a plurality of OIS magnets 65 x , 65 y , 66 x , 66 y . As shown in FIG.
  • the AF coil 3 , the AF magnets 63 x , 63 y , 64 x , 64 y and the OIS magnets 65 x , 65 y , 66 x , 66 y are disposed around an outer surrounding of the lens assembly 18 with respect to the optical axis (i.e. the Z-axis).
  • the OIS magnets 65 x , 65 y , 66 x , 66 y are positioned below the AF magnets 63 x , 63 y , 64 x , 64 y , respectively, and the OIS coils 91 x , 91 y , 92 x , 92 y , which are disposed on a plane having a normal direction perpendicular to the optical axis (e.g. the X-Y plane), are positioned under the respective OIS magnets 65 x , 65 y , 66 x , 66 y .
  • the OIS coils 91 x , 91 y , 92 x , 92 y are arranged to sequentially face the respective OIS magnets 65 x , 65 y , 66 x , 66 y.
  • each of the AF magnets 63 x , 63 y , 64 x , 64 y has an inner N pole and an outer S pole.
  • An electromagnetic driving force is induced in the AF coil 3 by the current passing through the AF coil 3 (the AF current) and the magnetic field generated by the AF magnets 63 x , 63 y , 64 x , 64 y , to perform the AF function.
  • an electromagnetic driving force is induced by the current passing through the OIS coils 91 x , 91 y , 92 x , 92 y (the OIS current) and the magnetic field generated by the OIS magnets 65 x , 65 y , 66 x , 66 y to perform the OIS function (i.e. anti-shaking function).
  • the AF coil 3 and the lens assembly 18 can be moved along the optical axis with respect to the AF magnets 63 x , 63 y , 64 x , 64 y , such that the auto-focusing operation is carried out.
  • the OIS coil 92 x interacts with the magnet 66 x in a direction the same as the direction in which the OIS coil 91 x interacts with the magnet 65 x .
  • the OIS coil 92 y interacts with the magnet 66 y in a direction the same as the direction in which the OIS coil 91 y interacts with the magnet 65 y .
  • the lens assembly 18 , the AF coil 3 , the AF magnets 63 x , 63 y , 64 x , 64 y and the OIS magnets 65 x , 65 y , 66 x , 66 y can move along the directions (i.e.
  • the present invention also provides an improved structure for the lens driving device, in which the distribution of the magnet field as generated can be more concentrated, and the magnet sensitivity for the anti-shaking function will be improved accordingly.
  • FIG. 6 and FIG. 7 are the schematic perspective view and the schematic top exploded view of a lens driving device according to a third embodiment of the present invention, respectively.
  • the lens driving device is also a VCA-based lens driving device and has a similar configuration as shown in FIGS. 1 and 2 .
  • the AF coil 3 (as shown in FIGS. 1 and 2 ) is omitted from FIGS. 6 and 7 for clarity.
  • the present lens driving device mainly includes a lens assembly 18 having an optical axis, an auto-focusing coil (AF coil) (not shown), a set of OIS coils 91 x , 91 y , 92 x , 92 y , a plurality of magnets 61 x , 61 y , 62 x , 62 y , and a magnetic enhancement device 12 .
  • the lens driving device may optionally include at least one magnetic induction elements such as Hall sensors 100 x and 100 y to sense a magnet signal induced by a displacement of the magnets 61 x , 61 y , 62 x , 62 y .
  • the optical axis of the lens assembly 18 is defined as the Z-axis for illustration.
  • the magnets 61 x , 61 y , 62 x , 62 y are disposed around an outer surrounding of the lens assembly 18 with respect to the optical axis.
  • the OIS coils 91 x , 91 y , 92 x , 92 y are disposed on a plane whose normal direction is perpendicular to the optical axis (e.g. the X-Y plane).
  • the magnetic enhancement device 12 is disposed below and covering the set of OIS coils 91 x , 91 y , 92 x , 92 y and Hall sensors 100 x , 100 y , so as to enhance the magnetic sensitivity of the lens driving device.
  • the magnetic driving force of the OIS coils 91 x , 91 y , 92 x , 92 y and magnetic induction of the Hall sensors 100 x , 100 y can be enhanced because the lines of magnetic force of the respective magnet atop the OIS coil and the magnetic enhancement device below the OIS coil is more concentrated at the OIS coil, such that the magnetic sensitivity of the OIS coils may be improved.
  • the magnetic enhancement device may be made from magnetic materials including, but not limited to, magnetic metals, alloys and/or ferromagnetic or ferrimagnetic materials. Please note that, by dispersing the magnetic particles in a bottom frame of the lens driving device, or by coating the bottom frame of the lens driving device with a magnetic layer, the bottom frame that is intrinsically non-magnetic can function as a magnetic enhancement device of the present invention.
  • the plate-like magnetic enhancement device 12 as shown in FIG. 6 is provided as a bottom frame of the lens driving device of the present invention.
  • FIG. 8 is a schematic perspective view showing an alternative exemplary magnetic enhancement device used in the lens driving device of the present invention.
  • the magnetic enhancement device 120 as shown is a plate-like unitary piece, on which some portions may be removed (for example, by cutting) to form spaces 120 x , 120 y for accommodating the Hall sensors 100 x , 100 y .
  • the magnetic enhancement device according to the present invention is shown, in the exemplary embodiments, as being used in the lens driving devices with winding OIS coils; however, the purposed magnetic enhancement device is also applicable for the FP-coil structure.
  • a typical flexible printed circuit board having FP-coils formed thereon and controlled by the flexible printed circuit
  • the magnetic enhancement device 120 correspond to the flexible printed circuit board in shape.
  • the magnetic enhancement device of the present invention can be formed as including plural magnetic pieces, and each of which is disposed as corresponding to the respective FP-coil on the flexible printed circuit board, or is disposed under a respective OIS coil, which will be further illustrated below.
  • FIG. 9 and FIG. 10 are the schematic perspective view and the schematic top exploded view of a lens driving device according to a fourth embodiment of the present invention, respectively.
  • the VCA-based lens driving device has a similar configuration as shown in FIGS. 6 and 7 , except the magnetic enhancement device.
  • the magnetic enhancement device includes plural magnetic pieces 12 x , 12 y , 13 x , 13 y , 14 x , 14 y , which are positioned below the OIS coils 91 x , 91 y , 92 x , 92 y and the Hall sensors 100 x , 100 y , respectively.
  • the current passing through the respective OIS coils 91 x , 91 y , 92 x , 92 y is indicated by the arrow as shown.
  • the magnetic driving force of the OIS coils 91 x , 91 y , 92 x , 92 y and magnetic induction of the Hall sensors 100 x , 100 y can be enhanced because the lines of magnetic force of the respective magnet atop the OIS coil and the respective magnetic piece below the OIS coil are more concentrated at the OIS coil, such that the magnetic sensitivity thereof may be improved.
  • magnetic enhancement device as shown in FIG. 6 through FIG. 10 is only provided for illustration with respect to the lens driving device whose AF and OIS functions are realized by a common magnet scheme. Nevertheless, according to the present invention, the magnetic enhancement device is also applicable in the lens driving device whose AF and OIS functions are realized by a separate magnet scheme, such as the lens driving device as shown in FIGS. 3 to 5 .

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lens Barrels (AREA)
  • Adjustment Of Camera Lenses (AREA)
US14/305,666 2013-06-17 2014-06-16 Optical image stabilizer with improved magnetic sensitivity Active 2034-08-06 US9423630B2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US14/305,666 US9423630B2 (en) 2013-06-17 2014-06-16 Optical image stabilizer with improved magnetic sensitivity
US15/176,737 US9575331B2 (en) 2013-06-17 2016-06-08 Optical image stabilizer with improved magnetic sensitivity

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201361836038P 2013-06-17 2013-06-17
US14/305,666 US9423630B2 (en) 2013-06-17 2014-06-16 Optical image stabilizer with improved magnetic sensitivity

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US15/176,737 Division US9575331B2 (en) 2013-06-17 2016-06-08 Optical image stabilizer with improved magnetic sensitivity

Publications (2)

Publication Number Publication Date
US20140368915A1 US20140368915A1 (en) 2014-12-18
US9423630B2 true US9423630B2 (en) 2016-08-23

Family

ID=52019013

Family Applications (4)

Application Number Title Priority Date Filing Date
US14/305,688 Active US9304325B2 (en) 2013-06-17 2014-06-16 Lens driving device with an improved OIS coil structure
US14/305,609 Active 2034-09-23 US9377632B2 (en) 2013-06-17 2014-06-16 Lens driving device with 3D elastic support structure
US14/305,666 Active 2034-08-06 US9423630B2 (en) 2013-06-17 2014-06-16 Optical image stabilizer with improved magnetic sensitivity
US15/176,737 Active US9575331B2 (en) 2013-06-17 2016-06-08 Optical image stabilizer with improved magnetic sensitivity

Family Applications Before (2)

Application Number Title Priority Date Filing Date
US14/305,688 Active US9304325B2 (en) 2013-06-17 2014-06-16 Lens driving device with an improved OIS coil structure
US14/305,609 Active 2034-09-23 US9377632B2 (en) 2013-06-17 2014-06-16 Lens driving device with 3D elastic support structure

Family Applications After (1)

Application Number Title Priority Date Filing Date
US15/176,737 Active US9575331B2 (en) 2013-06-17 2016-06-08 Optical image stabilizer with improved magnetic sensitivity

Country Status (4)

Country Link
US (4) US9304325B2 (ja)
JP (2) JP5946865B2 (ja)
CN (1) CN104238069A (ja)
TW (1) TWI569058B (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160282633A1 (en) * 2013-06-17 2016-09-29 Tdk Taiwan Corp. Optical image stabilizer with improved magnetic sensitivity

Families Citing this family (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5849483B2 (ja) * 2011-07-15 2016-01-27 ミツミ電機株式会社 レンズ駆動装置
TWI490630B (zh) * 2013-07-22 2015-07-01 Tdk Taiwan Corp 鏡頭驅動裝置及其製造方法
WO2016006168A1 (ja) * 2014-07-11 2016-01-14 ミツミ電機株式会社 レンズ駆動装置、カメラモジュール、及びカメラ搭載装置
CN204086644U (zh) * 2014-08-25 2015-01-07 瑞声精密制造科技(常州)有限公司 镜头驱动装置
CN105659580B (zh) * 2014-09-30 2018-09-07 华为技术有限公司 一种自动对焦方法、装置及电子设备
CN112346197B (zh) 2014-12-19 2023-05-09 Lg伊诺特有限公司 透镜移动装置和相机模块
CN204903926U (zh) * 2015-02-06 2015-12-23 惠州市大亚湾永昶电子工业有限公司 带手抖修正功能的透镜驱动装置
JP6500540B2 (ja) * 2015-03-24 2019-04-17 ミツミ電機株式会社 レンズ駆動装置、カメラモジュール、及びカメラ搭載装置
WO2016206074A1 (zh) * 2015-06-26 2016-12-29 爱佩仪光电技术（深圳）有限公司 一种抗磁干扰光学防抖音圈马达及其制造方法
CN105022205B (zh) * 2015-08-07 2018-09-07 深圳市世尊科技有限公司 一种超薄光学防抖音圈马达
CN105022169B (zh) * 2015-08-12 2019-04-30 北京小鸟看看科技有限公司 头戴设备面板可调节结构
WO2017039292A1 (ko) 2015-08-31 2017-03-09 엘지이노텍 주식회사 렌즈 구동 유닛, 카메라 모듈 및 광학기기
WO2017043884A1 (ko) * 2015-09-08 2017-03-16 엘지이노텍(주) 렌즈 구동 장치, 및 이를 포함하는 카메라 모듈 및 광학 기기
CN105305773B (zh) * 2015-10-30 2018-02-06 金龙机电股份有限公司东莞分公司 一种防抖音圈马达
CN108292076B (zh) * 2015-11-20 2020-10-30 三美电机株式会社 透镜驱动装置、摄像机模块以及摄像机搭载装置
US9939608B2 (en) * 2015-12-18 2018-04-10 Industrial Technology Research Institute Voice coil motor
CN105607384B (zh) * 2016-03-24 2018-11-09 上海安费诺永亿通讯电子有限公司 一种摄像头模组结构
US10747088B2 (en) * 2016-04-08 2020-08-18 Tdk Taiwan Corp. Camera module
CN107340668B (zh) 2016-04-28 2019-11-19 台湾东电化股份有限公司 双镜头照相系统
US10571645B2 (en) 2016-07-01 2020-02-25 Tdk Taiwan Corp. Multiple-lens camera system
US10466437B2 (en) 2016-07-01 2019-11-05 Tdk Taiwan Corp. Lens driving mechanism
JP2018018021A (ja) * 2016-07-29 2018-02-01 ミツミ電機株式会社 レンズ駆動装置、カメラモジュール、及びカメラ搭載装置
US10571650B2 (en) * 2016-10-18 2020-02-25 Tdk Taiwan Corp. Lens driving module having suspension wire
US11300759B2 (en) 2016-10-18 2022-04-12 Tdk Taiwan Corp. Optical member driving module having base with metal frames
US10761291B2 (en) * 2016-11-14 2020-09-01 Tdk Taiwan Corp. Lens driving mechanism
CN106773105A (zh) * 2016-11-22 2017-05-31 上海比路电子股份有限公司 一种平移式光学防抖透镜驱动装置
US11209661B2 (en) * 2016-11-29 2021-12-28 Mitsumi Electric Co., Ltd. Lens driving device, camera module, and camera-equipped device
TWI614559B (zh) * 2016-12-05 2018-02-11 財團法人工業技術研究院 鏡頭裝置
TWI649595B (zh) * 2017-02-08 2019-02-01 日商阿爾普士電氣股份有限公司 透鏡驅動裝置
US10638031B1 (en) 2017-03-29 2020-04-28 Apple Inc. Additive coil structure for voice coil motor actuator
US11223752B2 (en) * 2017-04-06 2022-01-11 Lg Innotek Co., Ltd. Camera module having extended support members for reduced power consumption
TWM548802U (zh) 2017-06-27 2017-09-11 大陽科技股份有限公司 鏡頭驅動裝置、攝影模組與電子裝置
CN109061979A (zh) * 2018-06-27 2018-12-21 深圳市丘钛微电子科技有限公司 镜头模组
US11258951B2 (en) * 2019-06-27 2022-02-22 Motorola Mobility Llc Miniature camera device for stabilized video using shape memory alloy actuators
CN111130304A (zh) * 2020-01-21 2020-05-08 新思考电机有限公司 一种五轴ois结构的音圈马达、照相装置及电子设备
CN214503997U (zh) * 2020-03-06 2021-10-26 台湾东电化股份有限公司 光学元件驱动机构
GB2607901B (en) * 2021-06-14 2023-10-25 Cambridge Mechatronics Ltd Voice coil motor actuator assembly
CN114244064B (zh) * 2021-11-30 2023-06-16 新思考电机有限公司 悬吊线导电结构、音圈马达、照相装置及电子产品

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100178044A1 (en) * 2006-08-23 2010-07-15 Takehide Ohno Image blur correction device and imaging apparatus equipped therewith
US8041201B2 (en) * 2008-04-03 2011-10-18 Nokia Corporation Camera module having movable lens
US8582205B2 (en) * 2009-01-21 2013-11-12 Canon Kabushiki Kaisha Lens barrel and optical apparatus including the same
KR20140003716A (ko) * 2012-06-25 2014-01-10 엘지이노텍 주식회사 복합 기능 보이스 코일 모터
US20150195439A1 (en) * 2014-01-08 2015-07-09 Apple Inc. Magnetic camera component mounting in cameras

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWM269476U (en) * 2004-12-03 2005-07-01 Hon Hai Prec Ind Co Ltd Camera module
CN100423546C (zh) * 2005-10-20 2008-10-01 亚洲光学股份有限公司 摄像模组
JP2007156062A (ja) * 2005-12-05 2007-06-21 Tamron Co Ltd 平行移動装置およびこれを備えたアクチュエータ、レンズユニットおよびカメラ
CN101959012B (zh) * 2009-07-17 2013-08-21 鸿富锦精密工业（深圳）有限公司 相机模组
JP5513834B2 (ja) * 2009-10-13 2014-06-04 台湾東電化股▲ふん▼有限公司 レンズ駆動装置
JP5079049B2 (ja) * 2009-11-17 2012-11-21 台湾東電化股▲ふん▼有限公司 レンズ駆動装置
JP5607119B2 (ja) * 2009-11-17 2014-10-15 台湾東電化股▲ふん▼有限公司 レンズ駆動装置
KR101089991B1 (ko) * 2009-11-20 2011-12-05 삼성전기주식회사 카메라 모듈 및 렌즈 이송 장치
JP5461981B2 (ja) * 2009-12-25 2014-04-02 日本電産サンキョー株式会社 レンズ駆動装置
KR101078785B1 (ko) * 2010-02-08 2011-11-02 삼성전기주식회사 2축 스테이지 장치 및 이를 구비한 카메라모듈
US8254769B2 (en) * 2010-03-04 2012-08-28 Tdk Taiwan Corp. Anti-shake structure for auto-focus modular
KR101184812B1 (ko) * 2011-03-02 2012-09-20 삼성전기주식회사 손떨림 보정용 서스펜션 와이어 및 이를 포함하는 영상 촬상 장치
JP5329629B2 (ja) * 2011-09-26 2013-10-30 シャープ株式会社 カメラモジュール
US8698952B2 (en) * 2011-10-31 2014-04-15 Lg Innotek Co., Ltd. Camera module
CN103135195A (zh) * 2011-12-01 2013-06-05 佛山普立华科技有限公司 变焦镜头以及成像装置
KR101300353B1 (ko) * 2011-12-22 2013-08-28 삼성전기주식회사 손떨림 보정장치
TWI569058B (zh) * 2013-06-17 2017-02-01 台灣東電化股份有限公司 具３ｄ彈性支持結構的鏡頭驅動裝置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100178044A1 (en) * 2006-08-23 2010-07-15 Takehide Ohno Image blur correction device and imaging apparatus equipped therewith
US8041201B2 (en) * 2008-04-03 2011-10-18 Nokia Corporation Camera module having movable lens
US8582205B2 (en) * 2009-01-21 2013-11-12 Canon Kabushiki Kaisha Lens barrel and optical apparatus including the same
KR20140003716A (ko) * 2012-06-25 2014-01-10 엘지이노텍 주식회사 복합 기능 보이스 코일 모터
US20150195439A1 (en) * 2014-01-08 2015-07-09 Apple Inc. Magnetic camera component mounting in cameras

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160282633A1 (en) * 2013-06-17 2016-09-29 Tdk Taiwan Corp. Optical image stabilizer with improved magnetic sensitivity
US9575331B2 (en) * 2013-06-17 2017-02-21 Tdk Taiwan Corp. Optical image stabilizer with improved magnetic sensitivity

Also Published As

Publication number Publication date
US20140368915A1 (en) 2014-12-18
US20140368936A1 (en) 2014-12-18
US9304325B2 (en) 2016-04-05
JP5948520B2 (ja) 2016-07-06
TWI569058B (zh) 2017-02-01
JP2015001747A (ja) 2015-01-05
US20160282633A1 (en) 2016-09-29
US9575331B2 (en) 2017-02-21
JP2016105209A (ja) 2016-06-09
US20140368914A1 (en) 2014-12-18
JP5946865B2 (ja) 2016-07-06
TW201502633A (zh) 2015-01-16
CN104238069A (zh) 2014-12-24
US9377632B2 (en) 2016-06-28

Similar Documents

Publication Publication Date Title
US9575331B2 (en) Optical image stabilizer with improved magnetic sensitivity
CN107340668B (zh) 双镜头照相系统
EP2743750B1 (en) Optical adjusting apparatus
US10768438B2 (en) Optical element driving device
US8963537B2 (en) Device for measuring a current flowing through an electric cable
JP5308457B2 (ja) 補正レンズ駆動用ボイスコイルモータ、手振れ補正装置、交換レンズ及び光学機器
US10168545B2 (en) Optical image stabilizer with improved magnetic disposition
US10887498B2 (en) Optical member driving mechanism and camera device
TWI666506B (zh) 雙鏡頭照相系統
WO2007049639A1 (ja) 位置検出装置および光学機器
CN107783352B (zh) 光学系统
US11294172B2 (en) Optical element driving mechanism
US20180003918A1 (en) Multiple-lens camera system
JP6322267B2 (ja) レンズ駆動モジュール
JP6672656B2 (ja) 位置検出装置及び光学装置
JP2016109889A5 (ja)
US11067768B2 (en) Optical member driving mechanism
JP5219975B2 (ja) コイル及びトランス
US11711006B2 (en) Driving mechanism
TW201441714A (zh) 自動對焦致動器驅動結構
JP2014130044A (ja) 移動ユニット
CN107888047A (zh) 直线电动机用磁体组件
US10938291B2 (en) Electromagnetic driving mechanism
JP2022114342A (ja) 回転検出装置

Legal Events

Date Code Title Description
AS Assignment

Owner name: TDK TAIWAN CORP., TAIWAN

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:HU, CHAO-CHANG;WU, FU-YUAN;HUANG, SHIH-TING;AND OTHERS;SIGNING DATES FROM 20140612 TO 20140613;REEL/FRAME:033111/0540

STCF Information on status: patent grant

Free format text: PATENTED CASE

MAFP Maintenance fee payment

Free format text: PAYMENT OF MAINTENANCE FEE, 4TH YEAR, LARGE ENTITY (ORIGINAL EVENT CODE: M1551); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY

Year of fee payment: 4

MAFP Maintenance fee payment

Free format text: PAYMENT OF MAINTENANCE FEE, 8TH YEAR, LARGE ENTITY (ORIGINAL EVENT CODE: M1552); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY

Year of fee payment: 8